District: Congressional District
VoterID: Voter Identifier
County: U.S. Census County (Deidentified)
Tract: U.S. Census Tract (Deidentified)
Precinct: U.S. Census Voting Precinct, i.e., VTD (Deidentified)
Block: U.S. Census Block (Deidentified)
Voters_Age: Age
Voters_Gender: Gender (F=Female, M=Male)
PID: Party Registration (1=Democrat, 2=Republican, 0=Other)
vote08: Voter turnout in 2008 General Election (0=did not vote, 1=voted)

SR.WHI: voter self reported as White
SR.BLA: voter self reported as Black
SR.HIS: voter self reported as Hispanic/Latino
SR.ASI: voter self reported as Asian
SR.OTH: voter self reported as Other

p_whi: Pr(White | Surname), i.e., probability that voter is White given voter's surname (from U.S. Census Surname List)
p_bla: Pr(Black | Surname)
p_his: Pr(Hispanic/Latino | Surname)
p_asi: Pr(Asian | Surname)
p_oth: Pr(Other | Surname)

p_blk_whi: Pr(White | Block), i.e., probability that voter is White if voter lives in Census block
p_blk_bla: Pr(Black | Block)
p_blk_his: Pr(Hispanic/Latino | Block)
p_blk_asi: Pr(Asian | Block)
p_blk_oth: Pr(Other | Block)

r_blk_whi: Pr(Block | White), i.e., probability that voter lives in Census block if voter is White
r_blk_bla: Pr(Block | Black)
r_blk_his: Pr(Block | Hispanic/Latino)
r_blk_asi: Pr(Block | Asian)
r_blk_oth: Pr(Block | Other)

r_blk_age_sex_whi: Pr(Block, Age, Gender| White), i.e., joint probability of voter’s Census block, age, and gender if voter is White
r_blk_age_sex_bla: Pr(Block, Age, Gender | Black)
r_blk_age_sex_his: Pr(Block, Age, Gender | Hispanic/Latino)
r_blk_age_sex_asi: Pr(Block, Age, Gender | Asian)
r_blk_age_sex_oth: Pr(Block, Age, Gender | Other)

p_prc_whi: Pr(White | Precinct), i.e., probability that voter is White if voter lives in voting precinct
p_prc_bla: Pr(Black | Precinct)
p_prc_his: Pr(Hispanic/Latino | Precinct)
p_prc_asi: Pr(Asian | Precinct)
p_prc_oth: Pr(Other | Precinct)

p_prc_fem_whi: Pr(White | Female, Precinct), i.e., probability that voter is White if voter is female and lives in voting precinct
p_prc_fem_bla: Pr(Black | Female, Precinct)
p_prc_fem_his: Pr(Hispanic/Latino | Female, Precinct)
p_prc_fem_asi: Pr(Asian | Female, Precinct)
p_prc_fem_oth: Pr(Other | Female, Precinct)

p_prc_mal_whi: Pr(White | Male, Precinct), i.e., probability that voter is White if voter is male and lives in voting precinct
p_prc_mal_bla: Pr(Black | Male, Precinct)
p_prc_mal_his: Pr(Hispanic/Latino | Male, Precinct)
p_prc_mal_asi: Pr(Asian | Male, Precinct)
p_prc_mal_oth: Pr(Other | Male, Precinct)

r_prc_whi: Pr(Precinct | White), i.e., probability that voter lives in voting precinct if voter is White
r_prc_bla: Pr(Precinct | Black)
r_prc_his: Pr(Precinct | Hispanic/Latino)
r_prc_asi: Pr(Precinct | Asian)
r_prc_oth: Pr(Precinct | Other)

r_prc_age_sex_whi: Pr(Precinct, Age, Gender| White), i.e., joint probability of voter’s voting precinct, age, and gender if voter is White
r_prc_age_sex_bla: Pr(Precinct, Age, Gender | Black)
r_prc_age_sex_his: Pr(Precinct, Age, Gender | Hispanic/Latino)
r_prc_age_sex_asi: Pr(Precinct, Age, Gender | Asian)
r_prc_age_sex_oth: Pr(Precinct, Age, Gender | Other)
